Cusseaux’s death came less than a week after officers in Ferguson, Missouri, shot and killed unarmed teenager Michael Brown. Brown’s shooting sparked large-scale protests in the St. Louis suburb and around the country, including efforts in Phoenix.

Phoenix Police Officer “B.J.” Baltzar was on his bike with the dozens of other officers assigned to keep an eye on the group.

Baltzar said the mob of protesters had broken some traffic laws and attempted to break some windows of nearby businesses.

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